83312809648 has 20 divisors (see below), whose sum is σ = 161430136560. Its totient is φ = 41653419584.

The previous prime is 83312809631. The next prime is 83312809649. The reversal of 83312809648 is 84690821338.

It is a junction number, because it is equal to n+sod(n) for n = 83312809595 and 83312809604.

It is not an unprimeable number, because it can be changed into a prime (83312809649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52986 + ... + 411622.

It is an arithmetic number, because the mean of its divisors is an integer number (8071506828).

Almost surely, 2^83312809648 is an apocalyptic number.

It is an amenable number.

83312809648 is a deficient number, since it is larger than the sum of its proper divisors (78117326912).

83312809648 is a wasteful number, since it uses less digits than its factorization.

83312809648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373164 (or 373158 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 83312809648 in words is "eighty-three billion, three hundred twelve million, eight hundred nine thousand, six hundred forty-eight".